<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>淘贝商城 - 登录</title>
    <link rel="stylesheet" href="https://cdn.bootcss.com/bootstrap/3.4.1/css/bootstrap.min.css">
</head>
<style>
    .navbar-default {
        background-color: #FFA500; /* 橙黄色 */
        border-color: #E69500;
    }
    .navbar-default .navbar-brand,
    .navbar-default .navbar-nav > li > a {
        color: #FFF; /* 白色文字 */
    }
    .navbar-default .navbar-nav > .active > a,
    .navbar-default .navbar-nav > .active > a:hover,
    .navbar-default .navbar-nav > .active > a:focus {
        background-color: #E69500; /* 深一点的橙黄色 */
    }
</style>
<body>
    <nav class="navbar navbar-default">
        <div class="container-fluid">
            <div class="navbar-header">
                <a class="navbar-brand" href="#">淘贝商城</a>
            </div>
        </div>
    </nav>

    <div class="container">
        <h1>登录</h1>
        <form>
            <div class="form-group">
                <label for="email">邮箱或手机号</label>
                <input type="text" class="form-control" id="email" placeholder="请输入邮箱或手机号">
            </div>
            <div class="form-group">
                <label for="password">密码</label>
                <input type="password" class="form-control" id="password" placeholder="请输入密码">
            </div>
            <button type="submit" class="btn btn-default">登录</button>
            <a href="register.html" class="btn btn-link">注册</a>
            <a href="../index.html" class="btn btn-link">返回主页</a>
        </form>
    </div>

    <script src="https://cdn.bootcss.com/jquery/3.4.1/jquery.min.js"></script>
    <script src="https://cdn.bootcss.com/bootstrap/3.4.1/js/bootstrap.min.js"></script>
<script>





</script>
</body>
</html>